On Thu, Mar 25, 2010 at 5:27 PM, Hakan Koseoglu <hakan at koseoglu.org> wrote: > On Thu, Mar 25, 2010 at 9:07 PM, Boris Epstein <borepstein at gmail.com> wrote: >>> Note: RAID5 is not really recomended for such large disks. You run the >>> risk of a complete data loss if one disk fails and the another disk >>> fails during the rebuild. >> Why is the size a factor here? Why would this be OK with smaller >> disks? How would you partition this instead? > As the disks get bigger, rebuild time also increases and the > performance of the disks don't increase linearly with their storage. > This means that when you are rebuilding a disk, the chances of one of > your other disks failing becomes significantly large. Most suggest > RAID6 these days as a minimum, mirroring and striping appears to be > the most popular. > > -- > Hakan (m1fcj) - http://www.hititgunesi.org > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > Hakan, You surely do have a point there. However, it is still not all that likely that a disk will fail during the rebuild time in question (what are we talking? some hours max?) Boris.